Portrush
December
Weather in Portrush for December 2025
Your guide to Portrush weather in December - trends and predictions
In general, the average temperature in Portrush at the beginning of December is 9.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 10.6 °C by the end of December.
Portrush experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 150.1 mm.
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Temperatures
Rain 🌧️
More
8
Dry days
23
Rainy days
0
Snow days
10°/6°
Temperatures
37 km/h
Avg max wind
80 %
Avg humidity
Portrush Weather December
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Temperatures trend during December in Portrush
See the weather trend as well as the moving average line
December weather in Portrush day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Patchy rain possible | 12° /8° | 1.3 mm | 3 | |
| 2 Dec. |  Overcast | 8° /5° | 3.1 mm | 2 | |
| 3 Dec. |  Moderate or heavy rain shower | 8° /1° | 7.8 mm | 2 | |
| 4 Dec. | Moderate or heavy rain shower | 9° /4° | 5.3 mm | 2 | |
| 5 Dec. | Moderate or heavy rain shower | 10° /7° | 8.2 mm | 3 | |
| 6 Dec. | Moderate or heavy rain shower | 9° /4° | 24.2 mm | 2 | |
| 7 Dec. | Moderate or heavy rain shower | 9° /5° | 11.5 mm | 2 | |
| 8 Dec. | Overcast | 8° /6° | 0 mm | 2 | |
| 9 Dec. |  Sunny | 6° /3° | 0 mm | 3 | |
| 10 Dec. | Sunny | 6° /2° | 0 mm | 3 | |
| 11 Dec. | Sunny | 5° /1° | 0 mm | 3 | |
| 12 Dec. | Overcast | 5° /3° | 0 mm | 2 | |
| 13 Dec. | Patchy rain possible | 7° /2° | 0.8 mm | 2 | |
| 14 Dec. | Patchy rain possible | 10° /6° | 3.1 mm | 3 | |
| 15 Dec. | Patchy rain possible | 12° /10° | 1.9 mm | 3 | |
| 16 Dec. | Overcast | 11° /9° | 0 mm | 3 | |
| 17 Dec. | Moderate or heavy rain shower | 13° /8° | 9 mm | 3 | |
| 18 Dec. | Moderate rain at times | 13° /6° | 8.1 mm | 3 | |
| 19 Dec. |  Heavy rain at times | 7° /5° | 12.2 mm | 2 | |
| 20 Dec. | Heavy rain at times | 9° /6° | 3.5 mm | 2 | |
| 21 Dec. | Heavy rain at times | 11° /5° | 5.3 mm | 3 | |
| 22 Dec. | Moderate or heavy rain shower | 7° /4° | 11.6 mm | 2 | |
| 23 Dec. | Heavy rain at times | 11° /5° | 3.3 mm | 3 | |
| 24 Dec. | Overcast | 13° /11° | 0.3 mm | 3 | |
| 25 Dec. | Overcast | 12° /10° | 0 mm | 3 | |
| 26 Dec. | Moderate rain at times | 11° /7° | 5.7 mm | 3 | |
| 27 Dec. | Patchy rain possible | 10° /9° | 0.5 mm | 3 | |
| 28 Dec. | Patchy rain possible | 9° /7° | 0.3 mm | 2 | |
| 29 Dec. | Overcast | 10° /8° | 0 mm | 3 | |
| 30 Dec. | Moderate or heavy rain shower | 11° /10° | 15.5 mm | 3 | |
| 31 Dec. |  Moderate rain | 11° /7° | 7.5 mm | 3 | |
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Important Notice
Our weather forecast for Portrush in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Portrush forecast closer to your planned date for the most up-to-date weather information.
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Portrush in December - FAQ
What are the expected maximum and minimum temperatures in Portrush during December?
During December, expect a variety of temperatures with highs around 10° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Portrush during December?
Significant rainfall exceeding 150.1 mm is expected in Portrush during December, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Portrush during December?
The average wind speed in Portrush during December is 37 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Portrush
Explore the daily rainfall trends and prepare for Portrushs December weather 💧
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